William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Application No. | Application Title | Issue Date |
| 20120082903 | FUNCTIONALIZED IONIC LIQUID ELECTROLYTES FOR LITHIUM ION BATTERIES An ionic liquid that is a salt has a Formula: Such ionic liquids may be used in electrolytes and in electrochemical cells.... | 04/05/2012 |
| 20110288240 | NOVEL PHOSPHAZENE-SUPPORTED CATALYST, NOVEL COMPOUND THEREOF AND USE THEREOF A phosphazene-supported catalyst in which a support is bonded to a group represented by the general formula (1): wherein n, Znā, a, b, c, d, R, R1 and D are all defined. The phosphazen... | 11/24/2011 |
| 20110245512 | HYDROXYLATED CONTRAST ENHANCEMENT AGENTS In one aspect, the present invention provides a contrast enhancement agent comprising an iron chelate having structure I and salts thereof wherein R1 is independently at each occurrence a hydroxy g... | 10/06/2011 |
| 20110245511 | Intermediates for Hydroxylated Contrast Enhancement Agents In one aspect, the present invention provides a protected ligand precursor having structure XX wherein R8 is independently at each occurrence a protected hydroxy group, a protected C1-C<... | 10/06/2011 |
| 20110130583 | Phosphorylcholine Group-Containing Compound And Surface Modifying Agent Composed Of Such Compound A phosphorylcholine group-containing chemical compound represented by the following formula (1). In this formula, m denotes 2-6 and n denotes 1-4. X1, X2, a... | 06/02/2011 |
| 20110124873 | Bis(perfluoralkyl)phosphinous acids and derivatives and use thereof The invention relates to bis(perfluoroalkyl)phosphinous acids, bis(perfluoroalkyl)thiophosphinous acids and derivatives, the synthesis thereof and the use thereof, in particular for the synthesis of air-stable metal complexes for catalytic processes.... | 05/26/2011 |
| 20110100915 | Packing Material For Hydrophilic Interaction Chromatography The object of the present invention is to provide a packing material and a separation method that manifest excellent hydrophilic interactions. The present invention provides a packing material for hydrophilic interaction chromatography cons... | 05/05/2011 |
| 20110082121 | 1-Desoxy-2-Methylene-19-Nor-Vitamin D Analogs and Their Uses This invention discloses 1-desoxy-2-methylene-19-nor-vitamin D analogs, and specifically (20S)-25-hydroxy-1-desoxy-2-methylene-19-nor-vitamin D3 and pharmaceutical uses therefor. This compound exhibits relatively high binding activity and pronounced activity ... | 04/07/2011 |
| 20110065920 | PROCESS FOR PREPARING PENTANOIC DIACID DERIVATIVES The present invention relates to a process for preparing pentanoic diacid derivatives useful for preparing pyrimidine derivatives, in particular as intermediates useful for preparing pyrimidine derivatives of a class that is effective at inhibiting the biosynthesis of c... | 03/17/2011 |
| 20110046404 | PROCESS FOR PRODUCING NANOPARTICLES A process comprises (a) combining (1) at least one metal cation source, (2) at least one phosphate anion source, (3) at least one organic base comprising at least one organic moiety comprising at least about five carbon atoms, and (4) at least one organosilane comprisin... | 02/24/2011 |
| 20110020206 | ADSORBENT, PREPARATION METHOD THEREOF AND SR-90/Y-90 GENERATOR USING THE SAME Disclosed herein is an radioisotope adsorbent including a bifunctional organosilane compound, including an organosiloxane functional group and a phosphate group, bonded on the surface of silica which is a bone structure of the adsorbent, and a method of preparing the ra... | 01/27/2011 |
| 20100313937 | Mesoporous and Nanoporous Materials, and Methods of Synthesizing the Same A method for synthesizing a phosphonic acid functionalized mesoporous metal oxide material (e.g., silica, titania, alumina, preferably silica material) is provided. Further, a method of using the phosphonic acid functionalized mesoporous silica material as a solid acid ... | 12/16/2010 |
| 20100300971 | Zwitterionic stationary phase as well as method for using and producing said phase The present invention relates to a zwitterionic stationary phase comprising a carrier and at least one zwitterionic ligand bound to said carrier, said phase being suitable for HPLC separation in Hydrophilic Interaction mode, wherein the positively charged part of said z... | 12/02/2010 |
| 20100234323 | Antimicrobial Acids and Salts The invention relates to novel acidic siloxane derivatives, the use, methods of use or processes making use of siloxane derivatives of this type, especially to achieve an anti-microbial, preservative and/or antiadhesive effect, for the protection of articles and/or mate... | 09/16/2010 |
| 20100144959 | PREPARATION OF ALKOXY- AND/OR HALOSILANE (POLY)SULFIDES AND COUPLING AGENTS COMPRISED THEREOF At least one (poly)thio alkoxy and/or halosilane is/are prepared by reaction of at least one sulfur-containing reagent with at least one alkoxy and/or halosilane, wherein an ionic addition of a sulfur-containing reagent to an alkoxy and/or halosilane is preferably condu... | 06/10/2010 |
| 20100113659 | PHOSPHORUS-CONTAINING SILSESQUIOXANE DERIVATIVES AS FLAME RETARDANTS A phosphorus-containing silsesquioxane is represented by the formula
| |
| 20100069618 | PROCESS FOR PREPARING MATERIALS BY GRAFTING HALOGENATED PHOSPHORUS-CONTAINING GROUPS ONTO AN INORGANIC SURFACE The invention concerns a process for preparing a hybrid organic-inorganic material (HOIM) with phosphorus-containing bridges between the surface of an inorganic substrate containing an element M and one or more organic groups of the covalent M-O-P-R type, said process u... | 03/18/2010 |
| 20100029970 | Organosilicon Phosphorus-Based Electrolytes Disclosed are electrolytes that are organosilicon phosphorus-based, and supercapacitors which incorporate them. These electrolytes are cationic salts with a phosphorous containing organosilicon moiety. They appear particularly suitable for use in applications such as el... | 02/04/2010 |
| 20090292135 | ORGANOMETAL BENZENEPHOSPHONATE COUPLING AGENTS The invention relates to chemical genera of organometal benzenephosphonates useful in cross-coupling organic synthesis, having general formula: where R is selected from boron, zinc, tin and silicon residues.... | 11/26/2009 |
| 20090062460 | CURING ACCELERATING COMPOUND-SILICA COMPOSITE MATERIAL, METHOD FOR PRODUCING CURING ACCELERATING COMPOUND-SILICA COMPOSITE MATERIAL, CURING ACCELERATOR, CURABLE RESIN COMPOSITION, AND ELECTRONIC COMPONENT DEVICE The present invention relates to a curing accelerating compound-silica composite material capable of giving excellent storage stability to a curable resin composition, which is obtained by subjecting one or more compounds selected from compounds represented by the gener... | 03/05/2009 |
| 20090029875 | Novel Silane Compounds and Use of Same for Functionalizing Solid Supports and Immobilizing Biological Molecules on These Supports The invention relates to novel silane compounds corresponding to the formula (I) below:
in which:
| |
| 20080227939 | Organosilane compound and organosilica obtained therefrom Provided is an organosilane compound expressed by any one of the following general formulae (1) to (7): (wherein: Ar represents a phenylene group or the like; R1 represents a hydrogen atom or the ... | 09/18/2008 |
| 20080214855 | Phosphorylcholine Group Containing Compound and Surface Modifying Agent Composed of Such Compound A phosphorylcholine group-containing chemical compound represented by the following formula (1). In this formula, m denotes 2-6 and n denotes 1-4. X1, X2, a... | 09/04/2008 |
| 20080076893 | HYDROPHILIC SILOXANYL MONOMERS WITH PENDANT POLYMERIZABLE GROUPS The present invention relates to polymeric compositions useful in the manufacture of biocompatible medical devices. More particularly, the present invention relates to certain hydrophilic monomers capable of polymerization to form polymeric compositions having desirable... | 03/27/2008 |
| 20080045736 | Water-Soluble, Surface-Functionalized Nanoparticle for Bioconjugation Via Universal Silane Coupling The invention provides a process for the preparation of a surface-functionalized nanoparticle comprising: (a) reacting a nanoparticle with a functionalized silane and a base in a substantially non-aqueous solvent to obtain a partially conjugated silanated nanoparticle, ... | 02/21/2008 |
| 20070282120 | Sphingomyelin, Intermediates Thereof and Methods For Preparation Of Same Novel cyclic and acyclic oxazaphospholanes are described, as well as their use in the synthesis of sphingomyelin and sphingomyelin analogous. The production of synthetic sphingomyelins is also described. 2S, 3R stereoisomers of oxazaphospholanes and sphingomyelins, and ... | 12/06/2007 |
| 20060241314 | Organopolysiloxanes containing phosphonic groups, method for the production and use thereof The invention relates to new compounds of the formula, wherein R and R1 are each independently hydrogen, a linear or branched C1-40 alkyl, C2-40 alkenyl or C2-40 alkynyl group, an aryl or C1-40 alkylaryl group or an... | 10/26/2006 |
| 20060217475 | Coupling agents for mineral-filled elastomer compositions A composition of matter is disclosed that comprises at least one silane coupling agent for coupling an elastomer and a filler wherein said silane comprises at least one hydrolysable group that, upon compounding said silane with said elastomer and filler, is released to ... | 09/28/2006 |
| 20060217474 | Coupling agents for mineral-filled elastomer compositions A composition of matter is disclosed that comprises at least one silane coupling agent for coupling an elastomer and a filler wherein said silane comprises at least one hydrolysable group that, upon compounding said silane with said elastomer and filler, is released to ... | 09/28/2006 |
| 20060100433 | n-conjugated organic material of polycyclic fused ring type,intermediate therefor, and process for producing n-conjugated organic material of polycyclic fused ring type The invention provides condensed polycyclic Ļ-conjugated organic materials and manufacturing methods for the materials. A metal reducing agent is reacted with a straight-chain, triple bond-containing hydrocarbon (aryl acetylene compound, phenyl acetylene compound), the... | 05/11/2006 |
| 20050154223 | Phosphorus-containing organosilicon compounds, process for production thereof, and resin compositions or coating compositions containing the same The present invention provides a novel phosphorus-containing organosilicon compound furnished with performance of an oxaphosphorin compound, a method for producing therefore and a resin composition containing the same, particularly a polyester or polycarbonate resin co... | 07/14/2005 |